15435634241 has 4 divisors (see below), whose sum is σ = 15439450500. Its totient is φ = 15431817984.

The previous prime is 15435634183. The next prime is 15435634271. The reversal of 15435634241 is 14243653451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14243653451 = 163 ⋅87384377.

It can be written as a sum of positive squares in 2 ways, for example, as 8295384241 + 7140250000 = 91079^2 + 84500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15435634241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15435634195 and 15435634204.

It is not an unprimeable number, because it can be changed into a prime (15435634271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902056 + ... + 1910153.

It is an arithmetic number, because the mean of its divisors is an integer number (3859862625).

Almost surely, 2^15435634241 is an apocalyptic number.

It is an amenable number.

15435634241 is a deficient number, since it is larger than the sum of its proper divisors (3816259).

15435634241 is an equidigital number, since it uses as much as digits as its factorization.

15435634241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816258.

The product of its digits is 172800, while the sum is 38.

The spelling of 15435634241 in words is "fifteen billion, four hundred thirty-five million, six hundred thirty-four thousand, two hundred forty-one".